When painting org.apache.batik.gvt.GraphicsNode uses utility class
org.apache.batik.ext.awt.image.GraphicsUtil. This utility fails to check for
null return values from Graphics2D.getDeviceConfiguration in at least two
places.
Steps two reproduce:
Create a GraphicsNode from a SVGDocument, paint onto SVGGraphics2D (or any
other Graphics2D impl whose getDeviceConfiguration returns null)
java.lang.NullPointerException
at
org.apache.batik.ext.awt.image.GraphicsUtil.getDestination(GraphicsUtil.java:498)
at
org.apache.batik.ext.awt.image.GraphicsUtil.getDestinationColorModel(GraphicsUtil.java:511)
at
org.apache.batik.ext.awt.image.GraphicsUtil.getDestinationColorSpace(GraphicsUtil.java:533)
at
org.apache.batik.ext.awt.image.GraphicsUtil.drawImage(GraphicsUtil.java:131)
at
org.apache.batik.ext.awt.image.GraphicsUtil.drawImage(GraphicsUtil.java:451)
at
org.apache.batik.gvt.AbstractGraphicsNode.paint(AbstractGraphicsNode.java:522)
at
org.apache.batik.gvt.CompositeGraphicsNode.primitivePaint(CompositeGraphicsNode.java:159)
at
org.apache.batik.gvt.AbstractGraphicsNode.paint(AbstractGraphicsNode.java:488)
at
org.apache.batik.gvt.CompositeGraphicsNode.primitivePaint(CompositeGraphicsNode.java:159)
at
org.apache.batik.gvt.CanvasGraphicsNode.primitivePaint(CanvasGraphicsNode.java:158)
at
org.apache.batik.gvt.AbstractGraphicsNode.paint(AbstractGraphicsNode.java:488)
at
org.apache.batik.gvt.CompositeGraphicsNode.primitivePaint(CompositeGraphicsNode.java:159)
at
org.apache.batik.gvt.AbstractGraphicsNode.paint(AbstractGraphicsNode.java:488)

Hi Thomas.
Yes there should be checks in there, I think. I'm not sure what behaviour makes
sense for a GraphicsConfiguration on SVGGraphics2D, since it doesn't work on a
raster image. So for now I'll leave getDeviceConfiguration() returning null.
I've added the null checks into GraphicsUtil.
BTW I met your colleague Michael Kaufmann last week when he was visiting us at
Monash Uni.

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